The tone of the passage is satirical. Satire is a form of writing that uses humour, irony, or ridicule to criticize or mock people, politics, or society. In this passage, the author uses humour and irony to discuss the cultural practice of writing obituaries in Nigeria. The author criticizes the exaggerated and often insincere praise given to the deceased in obituaries, suggesting that the practice is more about cultural norms and expectations than an accurate reflection of the individuals' lives. The use of phrases like "mortuary stylistics" and the humorous remark about exporting the skill to other countries indicates a satirical tone, as the author is making a critical commentary on the cultural practices surrounding obituaries.